filters/StripWhitespace.php

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Strips whitespace from [php] files using PHP stripwhitespace() method.

Author: Hans Lellelid, hans@velum.net
Package: phing.filters
See: \FilterReader
Todo: -c use new PHP functions to perform this instead of regex.
Version: $Id$

\StripWhitespace
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Package: phing\filters

Strips whitespace from [php] files using PHP stripwhitespace() method.

Parent(s): \BaseFilterReader < \FilterReader < \Reader
See: \FilterReader
Author: Hans Lellelid, hans@velum.net
Todo: -c use new PHP functions to perform this instead of regex.
Version: $Id$

Properties

\Reader
                 $in= ''

inherited

Inherited from: \FilterReader::$$in \BaseFilterReader::$$in

Details

Type: \Reader
Inherited_from: \FilterReader::$$in
Inherited_from: \BaseFilterReader::$$in


                 $initialized= 'false'

inherited

Have the parameters passed been interpreted?

Inherited from: \BaseFilterReader::$$initialized

Default valuefalseDetails

Type: n/a
Inherited_from: \BaseFilterReader::$$initialized


                 $processed= 'false'

Default valuefalseDetails

Type: n/a


                 $project= 'null'

inherited

The Phing project this filter is part of.

Inherited from: \BaseFilterReader::$$project

Default valuenullDetails

Type: n/a
Inherited_from: \BaseFilterReader::$$project

Methods

__construct(
          \Reader $in
              =
              null
          )
        
        :
          void

inherited

Constructor used by Phing's introspection mechanism.

Inherited from: \BaseFilterReader::__construct()

The original filter reader is only used for chaining purposes, never for filtering purposes (and indeed it would be useless for filtering purposes, as it has no real data to filter). ChainedReaderHelper uses this placeholder instance to create a chain of real filters.

Parameters

Name	Type	Description
$in	\Reader

chain(
          \reader $reader
          )
        
        :
          \a

Creates a new StripWhitespace using the passed in Reader for instantiation.

Parameters

Name	Type	Description
$reader	\reader	A Reader object providing the underlying stream. Must not be `null`.

Returns

Type	Description
\a	new filter based on this configuration, but filtering the specified reader

inherited

Close stream.

Inherited from: \FilterReader::close()\BaseFilterReader::close()

Throws

Exception	Description
\IOException	if there is an error closing stream

eof(
          
          )
        
        :
          boolean

inherited

Returns whether the end of file has been reached with input stream.

Inherited from: \BaseFilterReader::eof()

Returns

Type	Description
boolean

getInitialized(
          
          )
        
        :
          boolean

inherited

Returns the initialized status.

Inherited from: \BaseFilterReader::getInitialized()

Returns

Type	Description
boolean	whether or not the filter is initialized

getProject(
          
          )
        
        :
          object

inherited

Returns the project this filter is part of.

Inherited from: \BaseFilterReader::getProject()

Returns

Type	Description
object	The project this filter is part of

getResource(
          
          )
        
        :
          string

inherited

Returns the filename, url, etc. that is being read from.

Inherited from: \FilterReader::getResource()\BaseFilterReader::getResource()

This is critical for, e.g., ExpatParser's ability to know the filename that is throwing an ExpatParserException, etc.

Returns

Type	Description
string

log(
          string $msg, int $level
              =
              Project::MSG_INFO
          )
        
        :
          void

inherited

Convenience method to support logging in filters.

Inherited from: \BaseFilterReader::log()

Parameters

Name	Type	Description
$msg	string	Message to log.
$level	int	Priority level.

inherited

If supported, places a "marker" (like a bookmark) at current stream position.

Inherited from: \Reader::mark()\FilterReader::mark()\BaseFilterReader::mark()

A subsequent call to reset() will move stream position back to last marker (if supported).

markSupported(
          
          )
        
        :
          boolean

inherited

Whether marking is supported.

Inherited from: \Reader::markSupported()\FilterReader::markSupported()\BaseFilterReader::markSupported()

Returns

Type	Description
boolean

read(
          \off $len
              =
              null
          )
        
        :
          \the

Returns the stream without Php comments and whitespace.

FIXME: Clean up this function signature, as it a) params aren't being used and b) it doesn't make much sense.

Parameters

Name	Type	Description
$len	\off	Offset at which to start storing characters.

Returns

Type	Description
\the	resulting stream, or -1 if the end of the resulting stream has been reached

Throws

Exception	Description
\IOException	if the underlying stream throws an IOException during reading

readLine(
          
          )
        
        :
          \the

inherited

Reads a line of text ending with '\n' (or until the end of the stream).

Inherited from: \BaseFilterReader::readLine()

The returned String retains the '\n'.

Returns

Type	Description
\the	line read, or <code>null</code> if the end of the stream has already been reached

Throws

Exception	Description
\IOException	if the underlying reader throws one during reading

ready(
          
          )
        
        :
          boolean

inherited

Is stream ready for reading.

Inherited from: \Reader::ready()\FilterReader::ready()\BaseFilterReader::ready()

Returns

Type	Description
boolean

inherited

Reset the current position in stream to beginning or last mark (if supported).

Inherited from: \FilterReader::reset()\BaseFilterReader::reset()

setInitialized(
          boolean $initialized
          )
        
        :
          void

inherited

Sets the initialized status.

Inherited from: \BaseFilterReader::setInitialized()

Parameters

Name	Type	Description
$initialized	boolean	Whether or not the filter is initialized.

setProject(
          object $project
          )
        
        :
          void

inherited

Sets the project to work with.

Inherited from: \BaseFilterReader::setProject()

Parameters

Name	Type	Description
$project	object	The project this filter is part of. Should not be `null`.

setReader(
           $in
          )
        
        :
          void

inherited

Inherited from: \FilterReader::setReader()\BaseFilterReader::setReader()

Parameters

Name	Type	Description
$in

skip(
          int $n
          )
        
        :
          void

inherited

Move stream position relative to current pos.

Inherited from: \FilterReader::skip()\BaseFilterReader::skip()

Parameters

Name	Type	Description
$n	int

filters/StripWhitespace.php

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Properties

Methods

\StripWhitespace
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